package com.itheima.mapper;


import com.itheima.pojo.Article;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface ArticleMapper {

    //新增文章
    @Insert("insert into article(title,content,cover_img,state,category_id,create_user,create_time,update_time)"+
    "values (#{title},#{content},#{coverImg},#{state},#{categoryId},#{createUser},#{createTime},#{updateTime})")
    void add(Article article);

    //查看文章
    List<Article> list(Integer userId, Integer categoryId, String state);

    //根据id获取文章信息
    @Select("select * from article where id = #{id}")
    Article findById(Integer id);

    //更新文章内容
    @Update("update article set title = #{title},content = #{content},cover_img = #{coverImg},state = #{state},category_id = #{categoryId},update_time= now() where id = #{id}")
    void update(Article article);

    //根据id删除文章
    @Delete("delete from article where id = #{id}")
    void deleteById(Integer id);
}
